Results 151 to 160 of about 1,637,850 (263)

Resonator-enhanced distributed Bragg reflector lasers. [PDF]

Light Sci Appl
Yu D, Geng Z, Huang Y, Tong Y, Xia Y, Liu M, Huang Y, Xiang C.   +7 more
europepmc   +1 more source

Dynamically Tunable Exciton‐Photon Coupling via Multi‐Physics Field in Transition Metal Dichalcogenide Microcavities

Advanced Science, Volume 13, Issue 51, 14 September 2026.
Dynamic microcavities provide reversible control over exciton‐photon coupling in two‐dimensional TMDs through piezoelectric, electrical, thermal, and all‐optical tuning. By reshaping detuning, Rabi splitting, and polariton composition, these strategies enable adaptable polaritonic functions, including optical switching, polariton lasing, and ...
Jingwen Zhang, Wenqi Qian, Haiyi Liu, Guangyi Tao, Hai Liu, Yifan Zhang, Pengfei Qi, Zheyu Fang   +7 more
wiley   +1 more source

A Robust and Highly Integrated Laser Doppler Velocimeter for High-Precision Velocity Measurement of Hot-Rolled Bars Under Thermal Radiation. [PDF]

Sensors (Basel)
Li Z, Zhang L, Zuo C, Shi J, Fang M, Wang Y, Wu W, Wu H.   +7 more
europepmc   +1 more source

Twisted MoS2 Bilayers as Functional Elements in Memtransistors: Hysteresis, Optical Signatures, and Photocurrent Kinetics

Advanced Electronic Materials, Volume 12, Issue 17, 7 September 2026.
ABSTRACT Layered 2D materials are considered as promising for memristive applications due to their ultimate vertical scalability compared to conventional semiconductor films and pronounced hysteresis properties. Bias‐resolved Raman and Photoluminescence mapping is used to quantify strain from phonon shifts and carrier density from the exciton‐trion ...
Vladislav Kurtash, Ilya Eliseyev, Valery Davydov, Heiko O. Jacobs, Jörg Pezoldt   +4 more
wiley   +1 more source

High-Coherence, Physically Separable Dual-Frequency Fiber Laser Based on Bidirectional Dual-Path Ring Cavity. [PDF]

Sensors (Basel)
Li S, Ji B, Zhu F, Gan Y, Li Z, Wen Q.
europepmc   +1 more source

Quantum Limits to Linewidth Narrowing in Single‐ and Few‐Atom Cavity Electromagnetically Induced Transparency

Annalen der Physik, Volume 538, Issue 9, September 2026.
Electromagnetically induced transparency can narrow the transmission resonance of a cavity using a control field. However, this narrowing has a quantum limit: an optimal control‐field strength yields the minimum achievable linewidth. This limit is determined not only by the control field, but also by the probe amplitude, the number of atoms, and their ...
Lucas R. S. Santos, Murilo H. Oliveira, Luiz O. R. Solak, Daniel Z. Rossatto, Celso J. Villas‐Boas   +4 more
wiley   +1 more source

Salinity Sensor Using a Tapered Polarization-Maintaining Fiber-Based Sagnac Loop in a Fiber Ring Laser with Support Vector Regression for Improved Accuracy. [PDF]

Sensors (Basel)
Lin W, Huang Z, Cai K, Zhang M, Xu R, Liu Y.   +5 more
europepmc   +1 more source

Charge and Spin Distribution in the Triplet State of a Porphyrin Cofacial Heterodimer via Hyperfine Spectroscopy

ChemPhotoChem, Volume 10, Issue 9, September 2026.
The delocalization and charge transfer contributions to the lowest photoexcited triplet state of an Al(III) porphyrin‐P(V) porphyrin cofacial heterodimer (AlPor‐O‐PPor·PF6) have been estimated by means of pulse electron nuclear double resonance spectroscopy in three glass‐forming solvents of different polarity and Lewis basicity.
Angelo Carella, Christopher W. M. Kay, Prashanth K. Poddutoori, Arthur van der Est, Marilena Di Valentin   +4 more
wiley   +1 more source

Semiconductor room-temperature maser. [PDF]

Nat Commun
Gottscholl A, Wagenhöfer M, Baianov V, Eisermann E, Dyakonov V, Sperlich A.   +5 more
europepmc   +1 more source

Role of Core and Surface States Electronic Structure in the Tunable Optical Properties of Nitrogen‐Doped Carbon Dots

ChemPhotoChem, Volume 10, Issue 9, September 2026.
This work provides insight into the photoluminescence mechanism of nitrogen‐doped carbon dots derived from PTCDA and urea. The materials exhibit a dual‐emission system composed of dominant, excitation‐independent core emission and secondary excitation‐dependent surface/state emission.
Mariel Escobal, Gisèle Lecomte‐Nana, Jean‐René Duclere, Etienne Laborde, Claire Peyratout, Rolando Candidato Jr.   +5 more
wiley   +1 more source